Shuai YE, Yi ZENG, Xiaofeng LU, Fenglei LIU, Lei ZHU, Jun CHEN, Yu JIANG, Minjie ZHAO, Haijin ZHOU, Fuqi SI. Optimization Design of the Spaceborne Edge Spectral Imager Reflective Mirror Assembly[J]. Acta Photonica Sinica, 2024, 53(11): 1122001
- Acta Photonica Sinica
- Vol. 53, Issue 11, 1122001 (2024)
Fig. 1. Optical system design
Fig. 2. Schematic diagram of the installation location
Fig. 3. Concave mirror assembly structure
Fig. 4. Topology optimized regions
Fig. 5. Iterative convergence curves
Fig. 6. Topology optimization results
Fig. 7. Post-process model
Fig. 8. Schematic diagram of reinforcement thickness grouping
Fig. 9. The contribution of the reinforcement thickness of each group to the PV
Fig. 10. Schematic diagram of the structure
Fig. 11. Initial design drawings of flexible structure
Fig. 12. Influence of different structural parameters on Q
Fig. 13. Results of the gravity load analysis
Fig. 14. Results of thermo-mechanical coupling analysis
Fig. 15. Three-way vibration pattern
Fig. 16. On-site test diagram
Fig. 17. Three-dimensional frequency scanning results
Fig. 18. The component surface shape result plot before optimization
Fig. 19. The component surface shape result plot after optimization
Fig. 20. Surface shape test results
Fig. 21. Optimized the point plot after processing
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Table 1. Optical system indicators
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Table 2. Material performance indicators
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Table 3. Reinforcement thickness optimization results
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Table 4. Reflector structure parameter results
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Table 5. The results of the first 6-order modal analysis of the mirror assembly
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Table 6. Sine sweep input conditions
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Table 7. Comparison of surface shape data before and after optimization
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